997  
CDUS46 KSEW 300926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST THU JAN 30 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 29 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 417 PM 61 2024 49 -2 61  
MINIMUM 28 321 AM 6 1950 38 -10 51  
AVERAGE 38 43 -5 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.63 2004 0.18 -0.18 T  
MONTH TO DATE 1.04 5.44 -4.40 6.38  
SINCE OCT 1 14.44 21.38 -6.94 23.53  
SINCE JAN 1 1.04 5.44 -4.40 6.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 1969 0.0  
MONTH TO DATE 0.0 T  
SINCE OCT 1 0.0 T  
SINCE JUL 1 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 22 5 9  
MONTH TO DATE 745 646 99 700  
SINCE DEC 1 1391 1357 34 1296  
SINCE JUL 1 2432 2418 14 2299  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 49 200 PM  
AVERAGE 75  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 61 2024  
MINIMUM TEMPERATURE (F) 38 7 1950  
 
SUNRISE AND SUNSET  
JANUARY 30 2025.......SUNRISE 737 AM PST SUNSET 508 PM PST  
JANUARY 31 2025.......SUNRISE 736 AM PST SUNSET 510 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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